From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH v4 1/2] dt-bindings: ad5272: Add bindings for Analog Devices digital potentiometers Date: Mon, 5 Feb 2018 00:07:29 -0600 Message-ID: <20180205060729.ux62jvdsy4d37s4x@rob-hp-laptop> References: <1517231574-92777-1-git-send-email-preid@electromag.com.au> <1517231574-92777-2-git-send-email-preid@electromag.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1517231574-92777-2-git-send-email-preid-qgqNFa1JUf/o2iN0hyhwsIdd74u8MsAO@public.gmane.org> Sender: linux-iio-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Phil Reid Cc: jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, knaack.h-Mmb7MZpHnFY@public.gmane.org, lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org, pmeerw-jW+XmwGofnusTnJN9+BGXg@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, Michael.Hennerich-OyLXuOCK7orQT0dZR+AlfA@public.gmane.org, linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org On Mon, Jan 29, 2018 at 09:12:53PM +0800, Phil Reid wrote: > Add binding documentation for Analog Devices AD5272 and AD5274 digital > potentiometer devices. > > Signed-off-by: Phil Reid > --- > .../bindings/iio/potentiometer/ad5272.txt | 27 ++++++++++++++++++++++ > 1 file changed, 27 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/potentiometer/ad5272.txt > > diff --git a/Documentation/devicetree/bindings/iio/potentiometer/ad5272.txt b/Documentation/devicetree/bindings/iio/potentiometer/ad5272.txt > new file mode 100644 > index 0000000..11e804c > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/potentiometer/ad5272.txt > @@ -0,0 +1,27 @@ > +* Analog Devices AD5272 digital potentiometer driver Bindings describe h/w not drivers. > + > +The node for this driver must be a child node of a I2C controller, hence > +all mandatory properties for your controller must be specified. See directory: > + > + Documentation/devicetree/bindings/i2c > + > +for more details. > + > +Required properties: > + - compatible: Must be one of the following, depending on the model: > + adi,ad5272-020 > + adi,ad5272-050 > + adi,ad5272-100 > + adi,ad5274-020 > + adi,ad5274-100 > + > +Optional properties: > + - reset-gpios: GPIO specification for the RESET input. This is an > + active low signal to the PCA953x. > + > +Example: > +ad5272: ad5272@2f { potentiometer@2f Probably a node name we need to add to the spec. > + reg = <0x2F>; > + compatible = "adi,ad5272-020"; > + reset-gpios = <&gpio3 6 GPIO_ACTIVE_HIGH>; > +}; > -- > 1.8.3.1 >